NZ185954A - Plug valve: leakage prevention by buffering medium - Google Patents

Plug valve: leakage prevention by buffering medium

Info

Publication number
NZ185954A
NZ185954A NZ18595477A NZ18595477A NZ185954A NZ 185954 A NZ185954 A NZ 185954A NZ 18595477 A NZ18595477 A NZ 18595477A NZ 18595477 A NZ18595477 A NZ 18595477A NZ 185954 A NZ185954 A NZ 185954A
Authority
NZ
New Zealand
Prior art keywords
leakage prevention
plug valve
buffering medium
buffering
medium
Prior art date
Application number
NZ18595477A
Other languages
English (en)
Inventor
R G Smith
Original Assignee
Xomox Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xomox Corp filed Critical Xomox Corp
Publication of NZ185954A publication Critical patent/NZ185954A/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08—Details
    • F16K5/22—Features relating to lubrication
    • F16K5/222—Features relating to lubrication for plugs with conical surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/40—Sealings between relatively-moving surfaces by means of fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/0318—Processes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/4238—With cleaner, lubrication added to fluid or liquid sealing at valve interface
    • Y10T137/4358—Liquid supplied at valve interface
    • Y10T137/4442—External pressure
NZ18595477A 1977-01-06 1977-12-13 Plug valve: leakage prevention by buffering medium NZ185954A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/757,355 US4116208A (en) 1977-01-06 1977-01-06 Method of and apparatus for pressure buffering all leak paths of a lined plug valve

Publications (1)

Publication Number Publication Date
NZ185954A true NZ185954A (en) 1981-02-11

Family

ID=25047499

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ18595477A NZ185954A (en) 1977-01-06 1977-12-13 Plug valve: leakage prevention by buffering medium

Country Status (11)

Country Link
US (1) US4116208A (es)
JP (1) JPS6053225B2 (es)
AU (1) AU515386B2 (es)
BR (1) BR7800017A (es)
CA (1) CA1057725A (es)
DE (1) DE2731889A1 (es)
ES (1) ES465820A1 (es)
FR (1) FR2376976A1 (es)
GB (1) GB1547123A (es)
MX (1) MX148594A (es)
NZ (1) NZ185954A (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4254793A (en) * 1979-01-15 1981-03-10 Domer Scaramucci Ball valve having valve chamber venting seal assemblies
US4531537A (en) * 1980-04-21 1985-07-30 Xomox Corporation Plug valve for reduced leakage
US4773565A (en) * 1983-12-02 1988-09-27 Phillips Petroleum Company Rotary valve
US4702269A (en) * 1985-03-12 1987-10-27 Donaldson Company, Inc. By-pass valve
JP5639785B2 (ja) * 2010-05-13 2014-12-10 光陽産業株式会社 ガス栓
CN103307305B (zh) * 2013-06-25 2015-09-30 中国海洋石油总公司 一种在线带压阀门泄漏的转移装置
CN105221781B (zh) * 2014-06-03 2017-11-28 中核苏阀科技实业股份有限公司 中腔不贯通型球阀

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE19068E (en) * 1934-01-30 Plug cock
GB392649A (en) * 1932-01-02 1933-05-25 Robert William Leach Improvements relating to valves
GB857352A (en) * 1958-06-20 1960-12-29 Stewarts & Lloyds Ltd Improvements relating to goggle or plate valves
US3052317A (en) * 1959-10-27 1962-09-04 Audley Engineering Co Ltd Means for use in the lubrication of fluid controlling valves and other articles
US3426581A (en) * 1966-12-13 1969-02-11 Nat Res Corp Vacuum valves for leak detectors and the like
US3521856A (en) * 1967-09-25 1970-07-28 Xomox Corp Lined plug valve with means for sealing against leakage
US3930635A (en) * 1974-07-26 1976-01-06 Xomox Corporation Leak-proof rotary, plug-type fluid control valve

Also Published As

Publication number Publication date
ES465820A1 (es) 1979-01-01
GB1547123A (en) 1979-06-06
AU3136777A (en) 1979-06-14
MX148594A (es) 1983-05-16
US4116208A (en) 1978-09-26
DE2731889A1 (de) 1978-07-13
JPS53107720A (en) 1978-09-20
CA1057725A (en) 1979-07-03
FR2376976B1 (es) 1981-09-04
JPS6053225B2 (ja) 1985-11-25
BR7800017A (pt) 1978-08-15
AU515386B2 (en) 1981-04-02
FR2376976A1 (fr) 1978-08-04

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